Next tonight a menace k modern threat to homes in the suburbs. Wild animals encroaching on your yard. A colorado man had to use his flashlight to fend off coyotes who sneaked up on him. He's not the only one. Abc's cecilia vega shows us what is happening. Reporter: It wasn't one coyote that left andrew dickehage covered in bites. It was three. His car broke down in this neighborhood near boulder. As andrew walked to work, the pack came charging. I took my flashlight and hit it over the side of the head to get it to let go. As soon as I get it to let go, another one went to lung at me and all I was about to do is swing and knock it to keep it from jumping at me again. Reporter: He managed to fight them off. While wildlife experts say attacks like this are rare, cities around the country are seeing more encounters. In denver alone there were two reports of aggressive coyotes towards humans in 2007, 12 so far this year. In part because of suburben spraul of what used to be wildlife territory and people feeding them like pets. In 2007 a coyote wandered in a sandwich shop in chicago. One was captured in central bark in 2006. There is only one known u.S. FATAL ATTACK IN THE 1980s, A California toddler. We need to make sure that we don't let them get comfortable that they're going to harm us. Reporter: Even here in this park in the middle of los angeles it's not uncommon to see a coyote. What do you do if you come face to face. Don't turn your back. Grab rocks and throw them to scare the animal away. They respond to noise so be as big and loud as possible. Wave your arms. Prepare yourself by carrying an air horn or stick. Just look at what this man does in a youtube video recommended by the hum main society. If the coyote does attack, fight back. It worked for andrew dickehage and he has the bandages to prove it. Cecilia vega, abc news, los angeles.

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Man Fights Off Three Coyotes, Survives

A Colorado man on his way to work was stalked and attack by three coyotes.

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